With the Warne Magazine Extension for CZ 75 model handguns, the additional firepower will serve you will on and off the field, giving you the option to continue shooting even after you would have originally run out of ammunition. The ergonomic shape gives you better insertion and the ability to strip the handgun from the magazine if needed. It has been made specifically to fit the CZ 75 factory magazines with a capacity of +4 9mm. The Dark Earth anodized color gives a sleek look that will seamlessly blend with the existing magazine.